The film centers on Riko Murakami, a tough-as-nails detective who is also the single mother of a young boy. At work, she has hit a wall investigating a grisly murder in a hotel room. In her private life, she sweats her son's impeding "park debut" -- when she introduces her son and herself to the young mothers of her neighborhood. Most give her strange almost hostile looks except Sachiko (Keiko... see more